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108689801 = 119880891
BaseRepresentation
bin1100111101001…
…11100110001001
321120112000101012
412132213212021
5210311033201
614441333305
72456563613
oct636474611
9246460335
10108689801
1156397290
1230497235
1319696bbc
1410613db3
15981e5bb
hex67a7989

108689801 has 4 divisors (see below), whose sum is σ = 118570704. Its totient is φ = 98808900.

The previous prime is 108689797. The next prime is 108689807. The reversal of 108689801 is 108986801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108689801 - 22 = 108689797 is a prime.

108689801 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108689807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4940435 + ... + 4940456.

It is an arithmetic number, because the mean of its divisors is an integer number (29642676).

Almost surely, 2108689801 is an apocalyptic number.

108689801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108689801 is a deficient number, since it is larger than the sum of its proper divisors (9880903).

108689801 is an equidigital number, since it uses as much as digits as its factorization.

108689801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880902.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 108689801 is about 10425.4400866342. The cubic root of 108689801 is about 477.2320450513.

The spelling of 108689801 in words is "one hundred eight million, six hundred eighty-nine thousand, eight hundred one".

Divisors: 1 11 9880891 108689801